The test mostly analyse the film mulching hill-drop planter from two aspects: One is mechanism of duck-mouth type punching-opener, One is analyse of metering device .
本文主要从两个方面对覆膜穴播机具进行分析：一是鸭嘴式成穴器的成穴机理；二是外槽轮式排种器的分析。
Voltage metering method, electric test method and device, and method for mfg. semiconductor device and device substrate.
电压测量方法，电测试方法和装置，半导体器件制造方法和器件衬底制造方法。
The thermoluminescent(TL) characteristics of the natural colourless rock crystal, tea-quartz, amethyst samples and their synthetic samples are tested by using the thermoluminescence metering device.
利用组装的热释光光谱测量装置测试了天然与合成无色水晶、茶晶和紫晶样品的热释光，分析对比了其热释光图谱。
This paper introduces a system which checking the high voltage metering device based on wireless data transmitter-receiver.
本文介绍了一种基于无线数据传输的高压计量装置稽查系统。
TA field calibration method for power metering device is given. By calibrating the error of the reactive power metering, the error of active power metering can be indirectly calibrated.
本文给出了一种电能计量装置现场校验的方法，通过对三相电能表无功计量误差的校验，可以间接地求得其表计的有功计量误差。
The installed oil-saving device can reduce the gaps of metering-orifices, limits flow, increases oil atomization, and thus saves oil.
装上本节油器，能缩小量孔的间隙和限制流量，增加油的雾化从而达到节油效果。
This device is easy to control, simple in maintenance and low in cost; functionally it can substitute for metering pumps and electromagnetic flow meters used in system.
该装置易于控制，维护维修简单、成本低廉，功能上能取代系统中使用的计量泵和电磁流量计。
Since putting into use, the self made metering device had run safely and efficiently.
自制的计量装置投入使用后安全高效。
No tools required for assembly or removal of load cell assembly, hopper and metering device?
组装或移除称重元件、漏斗和计量设备时不需要任何工具。
Convenient and effective analysis and judgment method for all kinds of wrong wiring of electric energy metering device was put forward and detailed description had been made by examples.
对于电能计量装置的各种错误接线，本文提出了一些更方便、更有效的分析和判断的方法，并以实例进行详细阐述。
To ensure accurate measurement, must be in accordance with JJG1021-2007 "power transformer" and DL / T448-2000 "power metering device technical management procedures" for testing.
为保证计量准确，必须按照JJG1021-2007《电力互感器》和DL/T448-2000《电能计量装置技术管理规程》进行检验。
It presents the guidelines on how to adjust the installation location and incidence of stall warning device, and also discusses the reasons for metering of stall warning speed with indicated airspeed.
提出了如何调整失速警告器安装位置和安装角的指导性原则，论述了用表速计量失速预警速度的理由。
Several factors effecting on BOD in the industrial waste water were studied by using the differential-pressure metering device of BOD, and the corresponding improving methods were put forward.
探讨了利用差压式BOD测定装置测定工业废水中BOD时影响其准确度的几个因素，并提出了相应的改进方法。
Therefore, the carburetor or another metering device must combine the gasoline properly with the correct amount of air in order for the combustion process to release the energy in the gasoline.
因此，化油器或者其他的类似装置必须精确地按照比例将汽油与空气进行混合，使得汽油充分燃烧。
The utility model relates to a metering device of concrete mixing equipment, in particular to a feeding belt scale.
本实用新型涉及一种混凝土搅拌设备的计量装置，具体地说是一种给料皮 带称。
The invention also relates to a device for mixing and metering solid and liquid components of an anticorrosive agent.
本发明还涉及用于混合和计量防腐蚀剂的固体和液体组分的装置。
The metering device has a plunger reciprocating within the tube, with the plunger having a handle.
该计量装置具有在所述管道内往复运动的柱塞，所述柱塞具有手柄。
The present invention is supersonic metering method and device for liquid drop.
本发明涉及一种液滴的超声计量方法及装置。
The intelligent metering device for direct current power consumption is a practical metering and managing device for direct current power consumption in electrolytic aluminium plant.
该智能装置是国内电解铝厂电解车间一种实用的直流电耗计量管理装置。
CVT is a signal sampling device which is widely used to carry out an energy metering, measuring voltage and relay protection in high-voltage power network at home and abroad.
电容式电压互感器是广泛应用在国内外高压电网中的一种用以进行电能计量、电压丈量和继电保护的信号取样装置。
Hydraulic drawworks consists of roller, wire line system, depth metering device, handle panel, hand device, etc. It has simple frame and is convenient to operate.
液压绞车首要由滚筒、排缆系统、计深装配、操作面板、手摇装配等构成，该设备具有布局简单，操作容易等特性。
This paper proposed a kind of cylindric tube air-suction seed metering device suitable for corn precision seeder, introduced the structure and the principle.
提出了一种适用于玉米精播机的圆管式气吸排种装置，介绍了结构和原理。
The new type dynamic metering device of bulk solids materials is a high-precision, reasonable, strong-overload metering device to measure a wide range of things.
设计成果——新型散状固体物料动态计量装置是一种精度高、测量范围广、结构合理、过载能力强的计量设备。
The study lay the foundation for farther optimized design, meanwhile it can be as an important reference for designing new precision metering device.
本研究为进一步的优化设计打下基础，同时为设计新的精密排种器提供了重要的参考。
For the usage of the spade soil opener in a punch planter the precision metering device with declined scoop type disc was selected for maize seeds.
为与铲式成穴器的结构特点相适应，选择倾斜圆盘勺式玉米精密排种器作为打穴播种机的排种机构。
The invention relates to a metering device in a concrete blending plant, particularly a cement on-line metering device.
本发明涉及一种混凝土搅拌设备中的计量装置，具体地说是一种水泥在线计量装置。
The utility model relates to a metering device in concrete mixing equipment, in particular to a cement online metering device.
本实用新型涉及一种混凝土搅拌设备中的计量装置，具体地说是一种水泥在线计量装置。
This solid-state, polyphase metering device provides an advanced service platform for the commercial and industrial market that can evolve with your changing business needs.
这种固态多相仪表为商业和工业市场提供了高级服务平台，可满足您具有挑战性的业务需求。
This solid-state, polyphase metering device provides an advanced service platform for the commercial and industrial market that can evolve with your changing business needs.
这种固态多相仪表为商业和工业市场提供了高级服务平台，可满足您具有挑战性的业务需求。
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